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A222967 Number of n X 6 0..1 arrays with every row least squares fitting to a positive-slope straight line and every column least squares fitting to a zero- or positive-slope straight line, with a single point array taken as having zero slope. 0
28, 185, 5180, 53292, 1492176, 21852384, 687269268, 11877013537, 379255412732, 7601814965106, 242873494106544 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3:

  0 0 0 0 1 1    0 0 1 0 1 0    0 0 1 1 1 0    0 0 0 0 0 1

  0 1 0 1 0 1    0 1 0 1 0 1    0 0 1 1 0 1    0 1 0 0 1 1

  0 1 1 1 1 1    0 0 1 1 1 0    0 0 1 1 1 0    1 0 0 1 0 1

CROSSREFS

Column 5 of A222969.

Sequence in context: A125338 A126496 A228742 * A263944 A079903 A167581

Adjacent sequences:  A222964 A222965 A222966 * A222968 A222969 A222970

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Mar 10 2013

STATUS

approved

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Last modified May 16 17:32 EDT 2022. Contains 353718 sequences. (Running on oeis4.)